87/88 Pheumatic Diaphragm Actuator
GE’s Masoneilan 87 and 88 pneumatic multi-spring diaphragm reciprocating actuators are designed to provide high performance, reliability and long service life. Available as either the 87 direct acting or 88 reverse acting, the multiple spring design configuration provides four standard spring ranges. The moulded rolling diaphragm and deep case design minimises area change, resulting in an accurate linear relationship between travel and air pressure. Mounting parts are available as standard for GE Masoneilan control valves as well as adaption for other reciprocating valve designs.
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